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Assessment of Land Cover Changes in Lake Olbolosat Region of the Central Kenyan Highlands using Landsat Satellite Imagery Aided by Indigenous Knowledge
The region around Lake Olbolosat in the central Kenyan highlands has witnessed significant land-use changes, which are believed to be major cause of the dwindling Lake volumes. Very few studies have been carried out in the region due to limited observed in-situ data necessary for monitoring the land surface conditions. It is hence important that feasible, straightforward and cost-effective techniques are explored to asses the space and time variations with a view of providing the essential information for improved land and water management. This study investigated the land cover changes around Lake Olbolosat region using data obtained from Landsat satellite remote sensing.
Role of Traditional Knowledge in Conserving Biodiversity: A Case Study from Patal Bhuvneshwar Sacred Grove, Kumaon Himalaya, India
The paper deals with the inventory of sacred groves and its phytodiversity from Kumaon Himalaya. These groves are well recognized in the world in terms of biodiversity conservation. Kumaon Himalayan region comprises many sacred groves, different ethnic cultures, traditional way of conserving biota. Realizing the importance, the study was conducted in Patal Bhuvneshwar sacred grove conserved by Rawal, Bhandari and Guro local communities. This grove provide excellent micro-climatic habitat for the luxuriant growth of flowering and non-flowering taxa and covered by dense forest of Cedrus deodara. Total 65 species under 61 genera and 47 families of both flowering and non-flowering plants were recorded. In which, lichens are represented by 13 species, bryophytes (8 species), pteridophyte (7 species) and gymnosperm (1 species). 43 species belonging to 38 genera and 28 families are ethnobotanically used by local communities for various purposes. Although the grove is conserved on religious beliefs, but facing several threats such as anthropogenic pressure and socio-economic pressure.
Influence of Environment and Space on Haplotype Composition Structure of Populations of Chrysanthemum indicum L. (Compositae) in China with a Prediction of its Suitable Range
In the present study, the variation partitioning technique was applied to investigate the influence of space and environment on the variation in haplotype composition of different populations of Chrysanthemum indicum L. (Compositae) in China. Species niche modeling was employed as well to predict and map the suitable area of C. indicum in China. Through variation partitioning, the results showed that, environment solely could not explain any percent of the variation in haplotype composition, while space on its own could explain around 12.2% of the total variation in haplotype composition. Finally, the interaction between environment and space explained additional 11.1% of the total variation. As such, geographic distance is the only driver of haplotype diversity among different populations of C. indicum. Modeling species’ suitable ranges indicated that most central and eastern parts of China have higher occurrence probabilities of the species. The most influential predictors contributing to the distributional modeling were annual minimum temperature, annual maximum temperature and annual humidity. However, given that up to 75% of the total variation in hyplotype structure is unexplained, further sampling of different populations at distinct habitats is required so as to better quantify the relative influence of environment and space on the genetic structure of C. indicum populations.
Woody Plant Species Diversity Analysis in Awash National Park, Ethiopia
The study was conducted at the Awash National Park (ANP), with the objectives of assessing woody plants diversity, identifying plant community types, and producing a list of woody plant species of the ANP, in order to provide information for appropriate decision making on the biodiversity conservation of the park. A total of 64 sample plots, each with 20 × 20 m were laid along the altitudinal gradient of 750 to 1916 m and a total of 65 woody plant species were collected from 44 genera and 27 families. Of the 65 species, 51% were trees, 32% were shrubs and 17% were vines. Out of the 27 families Fabaceae was the dominant family and represented by 12 species in five genera followed by Tiliaceae, Asclepiadaceae and Capparidaceae. Plant specimens were collected and brought to the National Herbarium (ETH) of Addis Ababa University for identification. The specimens were properly identified using authenticated specimens and referring the published volumes of Flora of Ethiopia and Eritrea.